Yonghe County, subordinate to Linfen City, Shanxi Province, is located at the south end of the Luliang Mountains, the east bank of the Shanxi Shaanxi Grand Canyon in the middle reaches of the Yellow River, and the northwest edge of Linfen City. It is adjacent to Xi County in the east, Daning County in the south, Shilou County in the north, and Yanchuan County in Shaanxi Province in the west. It is between 110 ° 22 ′ 45 ″ - 110 ° 56 ′ 45 ″ E and 36 ° 31 ′ 15 ″ - 36 ° 56 ′ 45 ″ N, with a total area of 1212 square kilometers. It has jurisdiction over 2 towns and 4 townships.

Yonghe County was established in the Western Han Dynasty and renamed "Yonghe" in the Sui Dynasty. It has a long history and is known as the "Millennium Ancient County". Many high standard cultural relics, such as stone axes and pottery chips from the Neolithic Period, bronze wares from the Shang and Zhou Dynasties, stone Buddha heads from the Tang Dynasty, porcelain pillows from the Song Dynasty, have been unearthed. In ancient times, there were Longwang Temple and Dacheng Hall of Confucian Temple built in the Yuan Dynasty. The "Yonghe Terrace" at the source of the Zhihe River has preserved the most complete northern terrace farming culture and is the largest terrace landscape in northern China.

By the end of 2021, Yonghe County has 47705 permanent residents. In 2021, Yonghe County will achieve a GDP of 2.107 billion yuan. In terms of three industries, the primary industry will achieve an added value of 379.92 million yuan, the secondary industry will achieve an added value of 102091 million yuan, and the tertiary industry will achieve an added value of 70605 million yuan. The proportion of the three industries is 18:48.5:33.5. The per capita GDP is 44200 yuan (converted to 6846 dollars at the annual average exchange rate).